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miniature light bulb lamp
657 28V 0.08A USA
( 657/28V/0.08A USA )
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price per bulb:  $6.10    $5.79    $5.50  

657 28V 0.08A USA bulb specifications:
category: Miniature
volt: 28
amp: 0.08
watt: 2.24
base: W2.1x9.5d
glass: T3-1/4
filament: C2F
fil.res.: 350 ohm
m.o.l.: 1.06 inch (26.8MM)
l.c.l.: 0.559 inch (14.2MM)
d.hours: 7500

notes:


extended service (long life)
indicator lamp
specs verified against ANSI-SR25D1997

uses socket:DB-W2.1X9.5D-1


typical photo of 657 28V 0.08A USA bulb type
(your bulb may look slightly different)


typical shape of T3-1/4 glass envelopes
(not to scale)


typical shape of C2F filament
(not to scale)


industry standards for base:
W2.1x9.5d
(not to scale)


Although few specialty light bulbs and sockets are manufactured anymore, I have decent inventories of most types in stock, plus additional sources for nearly everything. All are guaranteed brand new, most being NOS (new old stock). Shelf life is forever.

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Definition of light bulb refers to lamp.
Definition of socket refers to lampholder (lamp holder).


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a few related bulb searches:

657 / 28V / 0.08A USA (this bulb)
657 / BLACK-REPLACEMENT (657-BLACK-REPLACEMENT/6.5V/1.4A METTLER)

657 28V 0.08A USA
also known as
Cross-Reference:


244-1070 ALLIED
657/28V/0.08A/T3.25/WEDGE
657/28V/0.08A CEC
657/28V/0.08A LUMIACTION
657/28V/0.08A USA
657/28V/.08A/T3.25/WEDGE MICROLAMP
657 ANSI
657 BULB-DIRECT
657 CEC
657 CHICAGO-MINIATURE
657 EIKO
657 GENERAL-ELECTRIC
657 INTERLIGHT
657 JKL
657 LUMIACTION
657 MICROLAMP
657 STANDARDPRO
657 SYLVANIA
657 USA
937-7290 ALLIED
35565
38196
50394 STANDARDPRO
031293408372 EIKO
69549003941
69549003941UPC STANDARDPRO
I/28V/0.08A/W2.1X9.5D/T3.25
I/28V/0.08A/W2.1X9.5D/T10MM
I/28V/0.08A/W2.1X9.5D/T10MM/7500H
I/28V/0.08A/WEDGE/T3.25
I/28V/2W/W2.1X9.5D/T3.25
I/28V/2W/WEDGE/T3.25
KH10-280-070A/28V/0.07A/WEDGE/T3.25 KHT
KH10-280-070A KHT
MB-06570
MB/06570
MB 06570
MB06570
T3.25/CL/28V/0.08A/WDG/STD STANDARDPRO
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